Weil, Gotshal & Manges LLP

Weil, Gotshal & Manges LLP supports biotech, pharma, and medical device clients in protecting their assets, with strong work in IP advice and litigation. The firm is also active in corporate matters such as cross-border M&A, strategic alliances, and licensing and collaboration agreements. Additionally, the team handles a broad range of litigation cases, including product liability, securities, commercial disputes, and antitrust. The practice is headed by IP litigator Edward Reines in Silicon Valley, together with New York-based practice head Charan Sandhu focuses on IP and complex commercial and technical matters, including tech transactions. Another key figure in the practice is Silicon Valley’s Derek Walter, an IP litigator with both trial and scientific expertise. Jeffrey Osterman departed the team to Paul, Weiss, Rifkind, Wharton & Garrison LLP in March 2025.